The MU-RTS Trigger frame has one of the User Info fields addressed to the non-AP STA. The User Info field is addressed to a non-AP STA if the AID12 subfield is equal to the 12 LSBs of the AID of the STA and the MU-RTS Trigger frame is sent by the AP with which the non-AP STA is associated or by the AP corresponding to the transmitted BSSID if the non-AP STA is associated with an AP corresponding to a nontransmitted BSSID and has indicated support for receiving Control frames with TA field set to the transmitted BSSID by setting the Rx Control Frame To MultiBSS subfield to 1 in the HE Capabilities element that the non-AP STA transmits是什么意思

这段话是关于MU-RTS Trigger帧中的User Info字段的解释。如果AID12子字段等于STA的AID的12位LSB，并且MU-RTS Trigger帧由与非AP STA关联的AP发送，或者由相应于传输的BSSID的AP发送（如果非AP STA与相应于非传输BSSID的AP相关联并已指示支持接收将TA字段设置为传输BSSID的控制帧，通过在非AP STA传输的HE Capabilities元素中将Rx Control Frame To MultiBSS子字段设置为1），则User Info字段将被寻址到非AP STA。

相关问题

. The User Info field is addressed to a non-AP STA if the AID12 subfield is equal to the 12 LSBs of the AID of the STA and the MU-RTS Trigger frame is sent by the AP with which the non-AP STA is associated or by the AP corresponding to the transmitted BSSID if the non-AP STA is associated with an AP corresponding to a nontransmitted BSSID and has indicated support for receiving Control frames with TA field set to the transmitted BSSID by setting the Rx Control Frame To MultiBSS subfield to 1 in the HE Capabilities element that the non-AP STA transmits.这段802.11ax协议是什么意思

这段802.11ax协议描述了MU-RTS触发帧中的User Info字段的寻址方式。如果AID12子字段等于STA的AID的12个最低有效位，并且MU-RTS触发帧由非-AP STA关联的AP或与传输BSSID对应的AP发送，而该非-AP STA已经表明支持接收TA字段设置为传输BSSID的控制帧，通过传输BSSID对应的AP来处理控制帧，那么User Info字段被寻址到该非-AP STA。这个细节通常用于MU-MIMO操作，以支持多个STA同时发送数据。

npm ERR! code EACCES npm ERR! syscall mkdir npm ERR! path /Users/linshibo/.npm/_cacache/content-v2/sha512/f2/ab npm ERR! errno EACCES npm ERR! npm ERR! Your cache folder contains root-owned files, due to a bug in npm ERR! previous versions of npm which has since been addressed. npm ERR! npm ERR! To permanently fix this problem, please run: npm ERR! sudo chown -R 501:20 "/Users/linshibo/.npm" npm ERR! A complete log of this run can be found in: /Users/linshibo/.npm/_logs/2023-07-20T10_53_45_927Z-debug-0.log

这个错误通常是因为你的npm缓存文件夹中包含了root用户的文件。你可以通过运行以下命令来解决这个问题：

sudo chown -R 501:20 "/Users/linshibo/.npm"

这个命令将所有缓存文件夹的所有权都更改为用户501和组20。运行完这个命令后，再次尝试运行你的npm命令，应该就不会再出现这个错误了。

请注意，运行sudo命令需要管理员权限，所以你可能需要输入你的密码来确认。